Pith Number

pith:JUDJF75Y

pith:2015:JUDJF75YT3EOANWUVO4SHBWDIQ

not attested not anchored not stored refs pending

A pair of extremal charged black holes on Kerr-Taub-bolt space

Hideki Ishihara, Ken Matsuno, Masashi Kimura

arxiv:1504.04203 v2 · 2015-04-16 · hep-th · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JUDJF75YT3EOANWUVO4SHBWDIQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:30:42.941995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d0692ffb89ec8e036d4abb92386c34420dbc9d0e9b4ccae31b40b455d6a7999

Aliases

arxiv: 1504.04203 · arxiv_version: 1504.04203v2 · doi: 10.48550/arxiv.1504.04203 · pith_short_12: JUDJF75YT3EO · pith_short_16: JUDJF75YT3EOANWU · pith_short_8: JUDJF75Y

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/JUDJF75YT3EOANWUVO4SHBWDIQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 4d0692ffb89ec8e036d4abb92386c34420dbc9d0e9b4ccae31b40b455d6a7999

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "763ab4b987e186be9324676efea8d1388120e6e845fe2aa79cd4830e3ac131f7",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2015-04-16T12:20:54Z",
    "title_canon_sha256": "9cfbf13094c45334256a90a23c7ed207717cdd647836f1a4d68862a5141ff9cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04203",
    "kind": "arxiv",
    "version": 2
  }
}